Robert Downey Jr. has faced his fair share of demons when it comes to drugs, and now it's being reported that his 20-year-old son, Indio, is currently undergoing rehab treatment to  help with prescription pain medication.

Indio's mother and Downey's ex-wife, Deborah Falconer, confirmed her son's treatment to the National Enquirer but noted, "He was not addicted. He was taking one pill a day." She said Indio in receiving "hol